[INFO] cloning repository https://github.com/PhilipDaniels/projecteuler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhilipDaniels/projecteuler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 32960482901579f6c3af5ba18865db39eb6c62b9 [INFO] testing PhilipDaniels/projecteuler against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilipDaniels%2Fprojecteuler" "/workspace/builds/worker-65/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PhilipDaniels/projecteuler on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/PhilipDaniels/projecteuler [INFO] finished tweaking git repo https://github.com/PhilipDaniels/projecteuler [INFO] tweaked toml for git repo https://github.com/PhilipDaniels/projecteuler written to /workspace/builds/worker-65/source/Cargo.toml [INFO] crate git repo https://github.com/PhilipDaniels/projecteuler already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded elapsed v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a169bd247e421928b208dd20d9a5534f45b24b1c4ca2c55d0a36284b29512bc1 [INFO] running `Command { std: "docker" "start" "-a" "a169bd247e421928b208dd20d9a5534f45b24b1c4ca2c55d0a36284b29512bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a169bd247e421928b208dd20d9a5534f45b24b1c4ca2c55d0a36284b29512bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a169bd247e421928b208dd20d9a5534f45b24b1c4ca2c55d0a36284b29512bc1", kill_on_drop: false }` [INFO] [stdout] a169bd247e421928b208dd20d9a5534f45b24b1c4ca2c55d0a36284b29512bc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3627bdb56958fa03d1402e42e60b3d5114ae22faec03195fdb65cb6795356a6f [INFO] running `Command { std: "docker" "start" "-a" "3627bdb56958fa03d1402e42e60b3d5114ae22faec03195fdb65cb6795356a6f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling elapsed v0.1.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calc.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut x = n; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calc.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut exponent = 1; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/p011_to_p020.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | let mut d = column_sum; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.91s [INFO] running `Command { std: "docker" "inspect" "3627bdb56958fa03d1402e42e60b3d5114ae22faec03195fdb65cb6795356a6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3627bdb56958fa03d1402e42e60b3d5114ae22faec03195fdb65cb6795356a6f", kill_on_drop: false }` [INFO] [stdout] 3627bdb56958fa03d1402e42e60b3d5114ae22faec03195fdb65cb6795356a6f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28e618227c1759eb9baee48fe7a84f6eefddf34eaa337b2be2ff06b3bfef81ea [INFO] running `Command { std: "docker" "start" "-a" "28e618227c1759eb9baee48fe7a84f6eefddf34eaa337b2be2ff06b3bfef81ea", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling projecteuler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calc.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | let mut x = n; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/calc.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | let mut exponent = 1; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/p011_to_p020.rs:379:13 [INFO] [stdout] | [INFO] [stdout] 379 | let mut d = column_sum; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.55s [INFO] running `Command { std: "docker" "inspect" "28e618227c1759eb9baee48fe7a84f6eefddf34eaa337b2be2ff06b3bfef81ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28e618227c1759eb9baee48fe7a84f6eefddf34eaa337b2be2ff06b3bfef81ea", kill_on_drop: false }` [INFO] [stdout] 28e618227c1759eb9baee48fe7a84f6eefddf34eaa337b2be2ff06b3bfef81ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 077c560588980b6ba1c286657f33cae9bf1c8090cd61ed64cab92d240eaac997 [INFO] running `Command { std: "docker" "start" "-a" "077c560588980b6ba1c286657f33cae9bf1c8090cd61ed64cab92d240eaac997", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/calc.rs:76:13 [INFO] [stderr] | [INFO] [stderr] 76 | let mut x = n; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/calc.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | let mut exponent = 1; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/p011_to_p020.rs:379:13 [INFO] [stderr] | [INFO] [stderr] 379 | let mut d = column_sum; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `projecteuler` (bin "projecteuler" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/projecteuler-ab68ba095b5e8195) [INFO] [stdout] [INFO] [stdout] running 23 tests [INFO] [stdout] test calc::tests::divisors_works ... ok [INFO] [stdout] test calc::tests::gcd_works ... ok [INFO] [stdout] test calc::tests::collatz_len_works ... ok [INFO] [stdout] test matrix::tests::from_str_for_string_containing_non_numbers_returns_err ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_start_at_zero_returns_first_primes ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_zero_returns_first_fibs ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_start_at_nonzero_returns_correct_fibs ... ok [INFO] [stdout] test matrix::tests::from_str_for_one_dimensional_string_returns_correct_vector ... ok [INFO] [stdout] test utils::tests::is_palindrome_for_singleton_slice_returns_true ... ok [INFO] [stdout] test calc::tests::sqrt_upper_bound_works ... ok [INFO] [stdout] test utils::tests::is_palindrome_for_slices_which_are_palindromes_returns_true ... ok [INFO] [stdout] test calc::tests::triangle_works ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_empty_range_returns_empty_vec ... ok [INFO] [stdout] test matrix::tests::from_str_for_string_containing_different_numbers_of_cols_returns_err ... ok [INFO] [stdout] test prime::tests::primes_in_range_for_start_at_nonzero_returns_correct_primes ... ok [INFO] [stdout] test iterator_adapters::tests::in_range_works ... ok [INFO] [stdout] test matrix::tests::from_str_for_two_dimensional_string_returns_correct_vector ... ok [INFO] [stdout] test calc::tests::sqrt_ceil_works ... ok [INFO] [stdout] test fibonacci::tests::fib_in_range_for_empty_range_returns_empty_vec ... ok [INFO] [stdout] test calc::tests::vec_to_num_works ... ok [INFO] [stdout] test matrix::tests::from_str_for_empty_string_returns_empty_matrix ... ok [INFO] [stdout] test utils::tests::is_palindrome_vec_for_slices_which_are_not_palindromes_returns_false ... ok [INFO] [stdout] test utils::tests::is_palindrome_vec_for_empty_slice_returns_true ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "077c560588980b6ba1c286657f33cae9bf1c8090cd61ed64cab92d240eaac997", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "077c560588980b6ba1c286657f33cae9bf1c8090cd61ed64cab92d240eaac997", kill_on_drop: false }` [INFO] [stdout] 077c560588980b6ba1c286657f33cae9bf1c8090cd61ed64cab92d240eaac997